1. The electronic throttle controller is not harmful to the vehicle, but it is expensive. The engine computer, gearbox and throttle body need to be replaced.
2. There may be several reasons for the slow acceleration of the car: the pressure of the oil pump, cleaning of the catalytic air inlet and fuel injection nozzle, replacing better steel wires and spark plugs, and using better gasoline and engine oil to try.
3. The effect is obvious. Now there are many car owners to install it. On the contrary, it is good for the engine. Because it can reduce the carbon deposition of the engine and prolong the life of the engine.
The electronic throttle is broken, which has an impact on the car.
The electronic throttle is broken, the EPC light will be on, there is no response when pressing the accelerator pedal, that is, the accelerator pedal can't control the engine running, which has no other impact on the car.
In the design documents of the engine company, there are many kinds of failure mode analysis of the electronic throttle, and there are dozens of pages of documents. We will only mention the most common and basic questions.
In fact, the structure of the electronic throttle is relatively simple. The original valve plate controlled by the cable is used to control the opening of the valve plate by a DC motor. When the power is off, the return spring pushes the valve plate to the closed position. The opening of the valve plate is sensed by two throttle position sensors, and the signals are transmitted to the engine computer. The two position sensors are independent in the circuit, and the two signals are generally designed in inverse proportion. The output voltage increases with the increase of the opening of the valve plate; the output voltage decreases with the increase of the opening of the valve plate; however, the sum of the two signal voltages is equal to 5V. The mutual verification of two signals is to increase the accuracy and reliability of throttle opening control. As long as the two signals are not verified correctly and the accelerator pedal does not work, the engine computer limits the engine's power output and can only idle.
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